public void PopulateListBox()
        {
            IControlsManipulation cm = new ControlsManipulation(_imageExisting);
            IFilenameManipulation fm = new FilenameManipulation();

            fm.setFileName("a");
            cm.setFm(fm);
            var result = cm.PopulateListBox();

            Assert.AreEqual(null, result);
        }
        public void SavePicture()
        {
            _controls = new ControlsManipulation(_imageGood);
            IFilenameManipulation fm = new FilenameManipulation();

            fm.setFormat(".jpg");
            fm.setFolder(System.IO.Directory.GetCurrentDirectory() + "\\..\\..\\images");
            fm.setFileName("a");
            _controls.setFm(fm);
            _controls.SaveImage(Arg.Any <Image>(), null).Returns(true);

            Form1 form = new Form1(_controls);

            var result = form.SaveImage();

            Assert.AreEqual(true, result);
        }